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cmd/k8s-operator: remove times requeues in proxy deletion path.

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Our reconcile loop gets triggered again when the StatefulSet object
finally disappears (in addition to when its deletion starts, as indicated
by DeletionTimestamp != 0). So, we don't need to queue additional
reconciliations to proceed with the remainder of the cleanup, that
happens organically.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson 2022-12-13 13:32:05 -08:00 committed by Dave Anderson
parent c0fcab01ac
commit 8ccd707218
2 changed files with 7 additions and 6 deletions
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7
cmd/k8s-operator/operator.go
View File

@ -229,14 +229,15 @@ func (a *ServiceReconciler) cleanupIfRequired(ctx context.Context, svc *corev1.S
}
if sts != nil {
if !sts.GetDeletionTimestamp().IsZero() {
// Deletion in progress, check again later.
return reconcile.Result{RequeueAfter: time.Second}, nil
// Deletion in progress, check again later. We'll get another
// notification when the deletion is complete.
return reconcile.Result{}, nil
}
err := a.DeleteAllOf(ctx, &appsv1.StatefulSet{}, client.InNamespace(a.operatorNamespace), client.MatchingLabels(ml), client.PropagationPolicy(metav1.DeletePropagationForeground))
if err != nil {
return reconcile.Result{}, fmt.Errorf("deleting statefulset: %w", err)
}
return reconcile.Result{RequeueAfter: time.Second}, nil
return reconcile.Result{}, nil
}
id, _, err := a.getDeviceInfo(ctx, svc)

6
cmd/k8s-operator/operator_test.go
View File

@ -114,9 +114,9 @@ func TestLoadBalancerClass(t *testing.T) {
// synchronous StatefulSet deletion triggers a requeue. But, the StatefulSet
// didn't create any child resources since this is all faked, so the
// deletion goes through immediately.
expectRequeue(t, sr, "default", "test")
expectReconciled(t, sr, "default", "test")
expectMissing[appsv1.StatefulSet](t, fc, "operator-ns", shortName)
// Second time around, the rest of cleanup happens.
// The deletion triggers another reconcile, to finish the cleanup.
expectReconciled(t, sr, "default", "test")
expectMissing[appsv1.StatefulSet](t, fc, "operator-ns", shortName)
expectMissing[corev1.Service](t, fc, "operator-ns", shortName)
@ -206,7 +206,7 @@ func TestAnnotations(t *testing.T) {
// synchronous StatefulSet deletion triggers a requeue. But, the StatefulSet
// didn't create any child resources since this is all faked, so the
// deletion goes through immediately.
expectRequeue(t, sr, "default", "test")
expectReconciled(t, sr, "default", "test")
expectMissing[appsv1.StatefulSet](t, fc, "operator-ns", shortName)
// Second time around, the rest of cleanup happens.
expectReconciled(t, sr, "default", "test")